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Squaliformes (Sleeper and dogfish sharks) >
Centrophoridae (Gulper sharks)
Etymology: Centrophorus: centr[um] (L.), prickle or sharp point; phorus, from phoreus (Gr.), bearer or carrier, referring to grooved spines on dorsal fins. (See ETYFish); moluccensis: -ensis, Latin suffix denoting place: Moluccas Islands, Indonesia, type locality. (See ETYFish).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক ব্যথিডিমারসাল সমুদ্র তলদেশবিহারী; গভীরতার পরিসীমা 125 - 823 m (Ref. 247). Deep-water; 32°N - 40°S, 34°E - 171°E (Ref. 54313)
Indian Ocean: southern Mozambique and off Natal, South Africa (Ref. 5578); India (Ref. 31367). Western Pacific: Japan (Okinawa), Indonesia (Ambon), Philippines (Ref. 31367), Australia, New Hebrides, and New Caledonia.
Length at first maturity / আকৃতি / ওজন / Age
Maturity: Lm ?, range 80 - ? cm
Max length : 100.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 6871); সবের্াচ্চ প্রকাশিত ওজন : 2.4 kg (Ref. 40637)
পৃষ্ঠীয় কাঁটা (মোট ) : 2; পায়ূ কাঁটা : 0. A small, slender gulper shark with a long, narrow snout, a short-based 1st dorsal fin and a very small 2nd dorsal fin; pectoral rear tips elongated; denticles small and flat (Ref. 5578). Grayish brown dorsally, paler ventrally; fin of juveniles dark, with pale edges (Ref. 6577).
Found on the outer continental shelves and upper slopes, on or near the bottom (Ref. 247). Feeds on bony fish, as well as other dogfish sharks, squid, octopus, shrimp, and tunicates (Ref. 247). Ovoviviparous (Ref. 50449). Utilized as fishmeal (Ref. 31367), for its meat, fins (low value) and liver oil (very high value) (Ref.58048).
Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Number of young 2 per litter; size at birth about 31 to 37 cm (Ref. 247); born at 35 cm TL (Ref.58048). Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 9.3 - 18.5, mean 12.9 °C (based on 246 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00121 - 0.00572), b=3.18 (2.99 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 4.3 ±0.70 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec=2).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
Nutrients (Ref.
124155): Calcium = 7.21 [1.39, 38.02] mg/100g; Iron = 0.313 [0.073, 1.003] mg/100g; Protein = 19.8 [17.5, 22.0] %; Omega3 = 0.287 [0.103, 0.899] g/100g; Selenium = 14.4 [4.6, 42.6] μg/100g; VitaminA = 13.6 [2.9, 63.5] μg/100g; Zinc = 0.29 [0.14, 0.56] mg/100g (wet weight);
